Probiotics in Mild Alzheimer's Disease

This study tests whether taking a probiotic supplement (beneficial bacteria) can slow memory and thinking decline in people with mild Alzheimer's disease. The gut-brain connection is increasingly understood to play a role in brain health, and this trial examines whether improving gut bacteria has any effect on cognitive symptoms. **You may be eligible if...** - You are 65 years or older - You have been diagnosed with mild Alzheimer's disease, confirmed by a memory test score between 19 and 23 (on the MMSE scale) - You are able to give informed consent yourself **You may NOT be eligible if...** - You are unable to give informed consent independently - You have another neurological disease in addition to Alzheimer's (such as Parkinson's disease or stroke) - You are already taking probiotics regularly - Your Alzheimer's is moderate or severe (not mild) Talk to your doctor to see if this trial is right for you.